File:Telegraph.jpg: Difference between revisions

Latest revision as of 21:34, 13 September 2018

Nonfiction: A printing electrical telegraph receiver, with transmitter key at bottom right.

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current	22:38, 17 June 2017		640 × 480 (50 KB)	Admin (talk \| contribs)

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 <gallery>
+File:Samuel Morse 1840.jpg|link=Samuel Morse (nonfiction)|June 20, 1840: [[Samuel Morse (nonfiction)|Samuel Morse]] receives the patent for the [[Electrical telegraph (nonfiction)|telegraph]].
 </gallery>
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 * [https://en.wikipedia.org/wiki/Electrical_telegraph Electrical telegraph] @ Wikipedia
-Attribution:
+Attribution: By Zacatecnik - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=3726135
-By Zacatecnik - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=3726135
 [[Category:Nonfiction (nonfiction)]]
 [[Category:Machines (nonfiction)]]
 [[Category:Information systems (nonfiction)]]